Autocad export to excel

Autocad export to excel - extrage numarul de elemente (block-uri) dintr-ul desen.

layiso - izolare de layer

layfrz - inghetare de layer

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tlen - .lsp - masoara distantele

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TLEN.LSP - Total LENgth of selected objects

(c) 1998 Tee Square Graphics

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(defun C:TLEN (/ ss tl n ent itm obj l)

(setq ss (ssget)

tl 0

n (1- (sslength ss)))

(while (>= n 0)

(setq ent (entget (setq itm (ssname ss n)))

obj (cdr (assoc 0 ent))

l (cond

((= obj "LINE")

(distance (cdr (assoc 10 ent))(cdr (assoc 11 ent))))

((= obj "ARC")

(* (cdr (assoc 40 ent))

(if (minusp (setq l (- (cdr (assoc 51 ent))

(cdr (assoc 50 ent)))))

(+ pi pi l) l)))

((or (= obj "CIRCLE")(= obj "SPLINE")(= obj "POLYLINE")

(= obj "LWPOLYLINE")(= obj "ELLIPSE"))

(command "_.area" "_o" itm)

(getvar "perimeter"))

(T 0))

tl (+ tl l)

n (1- n)))

(alert (strcat "Total length of selected objects is " (rtos tl)))

(princ)

)